I have had the AR9285 WiFi card and it was recognized with the 10.6.2 update (just have to put your device-id in Atheros21.kext), airport is recognized but its not scanning or connecting to any network..I swapped it yesterday with a Dell 1490 and it showed up as native airport Brcm43xx, scanned and connected to networks immidiately, so i have to say that the Atheros card is still not working...

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MSI P5Q / C2D E8400 @ 3.0 Ghz / 8GB DDR2 800Mhz / PCIe ECS 9600GT 1Gb / ALC1200 / Windows 7 / OS X 10.8
ASUS K50IN (SX004L) / C2D T6400 @ 2.0 Ghz / 4GB DDR2 800Mhz / nVidia G102M 512Mb / 15.6" HD/LED / ALC662 / Dell 1490 802.11g / Windows 7 / OS X 10.8